[jira] [Assigned] (CASSANDRA-20395) Accord: Integrate RX with Repair

["Benedict Elliott Smith (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-20395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benedict Elliott Smith reassigned CASSANDRA-20395:
--------------------------------------------------

    Assignee: Benedict Elliott Smith

> Accord: Integrate RX with Repair
> --------------------------------
>
>                 Key: CASSANDRA-20395
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-20395
>             Project: Apache Cassandra
>          Issue Type: Improvement
>          Components: Accord
>            Reporter: Benedict Elliott Smith
>            Assignee: Benedict Elliott Smith
>            Priority: Normal
>
>     Integrate RX with Cassandra Repair, so that repair safely flushes pending topology and other durability requirements.
>     Also improve:
>      - Introduce DurabilityService
>      - Retire SyncPoint, replace Barrier with Write and RX
>      - MessageType -> enum, restore GetMaxConflict
>      - forbid KX, remove directKeyDeps
>      - Introduce UniqueTimeService, permitting hlc reservations for sync points avoid delay when min TxnId is sufficiently in the past
>      - remove ListStore custom purge logic
>     Also fix:
>      - RejectBefore should reject on both epoch and hlc
>      - Do not record sync success for removed nodes
>      - Support GlobalDurability detecting no command store to run on
>      - Incorrect ballot constructor
>      - Serializing 15-bit ballot flags incorrectly
>      - TopologyManager.hasEpoch deadlock
>      - Computing withOpenEpochs incorrectly, sometimes stopping one epoch short



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